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Biology 1000
| Question | Answer |
|---|---|
| Which of the following is/are an atom, isotopes, and ions? | H+ |
| Which statement is NOT true about subatomic particles? | All electrons in an atom contain the |
| In a water molecule, | all of the choices are correct |
| An atom's atomic mass is best described as the mass of | protons and neutrons it contains |
| A research article indicates that researchers have used an isotope 3H to trace a certain metabolic process. From the symbol that is given, we know this is a hydrogen isotope with | One proton and two neutrons |
| Which of the following is not true about electron configurations? | Atoms with more than eight electrons in the outer shell react by gaining electrons |
| Which statement is not true about ionic bonds? | An ion has the same number of electrons as a nonionic atom of the same element |
| a coastal climate is moderated primarily by which of the following properties of water? | has a high heat of evaporation |
| which term refers to the attraction to water molecules | Hydrophilic |
| PH7 has a balance of H+ and OH- | true |
| Saturated fatty acids and unsaturated fatty acids differ in | all of the choices are differences between saturated and unsaturated |
| Which level of biological organization is composed of several tissues | Organ |
| Which sequence correctly lists the different levels of the biological organization, from the smallest and simplest to the largest and most complex? | cells-tissues-organs-organ systems-organisms |
| Which sequene of classificaation catagories is in the proper order from least to most inclusive | species-genus-family-order-class-phylum-kingdom-domain |
| Corn belongs to the kingdom | plantae |
| The three major domains of life are | archaea, bacteria, and eukaryotes |
| All the organisms of a various species living within a given area constitutes a(n) | community |
| The most important factor that determines where major ecosystems are located on the globe | climate |
| The term "biodiversity"refers to | the total number of species, variation of species, and the ecosystems in which they live |
| A possible explanation for a natural event , based oon observations and past knowledge is a | hypothesis |
| Which answer choice lists the steps of the scientific method in the correct order | observation, hypothesis, experiment, data collection, conclusion |
| Which statement about living organisms is NOT correct | Living organisms create energy |
| When you are overheated you perspire and when you are too cold, you shiver to generate heat. Which property of life is best represented by this example | homeostasis |
| Which statement is false regarding science | Correct scientific conclusions are permenant and never subject to change or refinement |
| If you place the corner of a paper towel into a droplet of water the water moves across the paper towel. which of the following would explain the movement of the water | both cohesion and adhesion |
| Which of the following elements is NOT one of the 6 most common elements in living organisms | iron |
| If the atomic number of an element is 6 and the atomic mass i 12.01, how many protons are there in the nucleus? | 6 |
| Which of the following carbohydrates would NOT be a molecule used for energy storage | Cellulose |
| Organic molecules are those that contain at least | carbon and hydrogen |
| Which term is used for molecules that have identical molecular formulas but the atoms in each molecule are arranged differently | Isomer |
| A polysacccharide is a polymer made up of which kind of monomers | simple sugars |
| A dehydration reaction can also be called a __________ | condensation |
| Which carbohydrate is found in the cell wallsof plants | Cellulose |
| Which carbohydrate is found in the exoskeleton of insects and crabs | Chitlin |
| Which statement is true about RNA | One of the bases from DNA is replaced by Uracil |
| Which statement is NOT true about DNA | It contains the sugar ribose |
| The alpha helix and the beta sheet are found at which level of protein organization | Secondary structure |
| A peptide bond is found in which type of biological molecule | Protein |
| If an animal needed to store energy for long term use but not be encumbered with the weight of extra tissue, which is the best molecule for storage | High Calorie fat molecules |
| After proteins are formed by the ribosomes located on the endoplasmic reticulum, what is the next organelle to which they could be transported | Gogli apparatus |
| Which of the following help direct the movement of materials or organellesthroughout the cell | All of the choices are true- rough endoplasmic reticulum, Cytoskeleton, smooth endoplasmic reticulum |
| Which is NOT true about cell theory | It states that bacteria and other small organisms can arise spontaneously |
| which of the following gives rise to both lysosomes and vesicles | Gogli apparatus |
| What is the smallest unit of living matter | cell |
| Which of the following features is unique to bacterial cells | nucleoid region |
| Which is not true of eukaryotic cells | They contain ribosomes that are smaller than those of prokaryotic cells |
| Chloroplasts are to _______ as ______are to aerobic respiration | Photosynthesis, mitochondria |
| ___________are to ribosomes as lipids are to _______ | proteins, smooth endoplasmic reticulum |
| without a cytoskeleton, eukaryotic cells would NOT | have an efficient way to transport materials from one organelle to another |
| Mitochondria have an inner membrane sytem called thylakoid membranes | False |
Created by:
carolinelouviere